package com.alogic.together2.xscript;

import com.alogic.together2.TogetherConstants;
import com.alogic.xscript.AbstractLogiclet;
import com.alogic.xscript.ExecuteWatcher;
import com.alogic.xscript.Logiclet;
import com.alogic.xscript.LogicletContext;
import com.alogic.xscript.doc.XsObject;
import com.anysoft.util.Properties;
import com.anysoft.util.PropertiesConstants;
import com.logicbus.backend.Context;
import org.apache.commons.lang3.StringUtils;

/**
 * 设置Http响应头
 *
 * @since 1.6.14.5 [20210413 duanyy] <br>
 */
public class SetHeader extends AbstractLogiclet implements TogetherConstants {
    protected String pid = ID_CONTEXT;

    protected String $id = "";
    protected String $value = "";
    protected String $dft = "";

    public SetHeader(String tag, Logiclet p) {
        super(tag, p);
    }

    @Override
    public void configure(Properties p){
        super.configure(p);

        pid = PropertiesConstants.getString(p,"pid",pid,true);
        $id = PropertiesConstants.getRaw(p,"header",$id);
        $value = PropertiesConstants.getRaw(p,"value",$value);
        $dft = PropertiesConstants.getRaw(p,"dft",$dft);
    }

    @Override
    protected void onExecute(final XsObject root, final XsObject current, final LogicletContext ctx, final ExecuteWatcher watcher){
        Context httpContext = ctx.getObject(pid);
        if (httpContext != null){
            String header = PropertiesConstants.transform(ctx,$id,"");
            if (StringUtils.isNotEmpty(header)){
                String data = PropertiesConstants.transform(ctx,$value,"");
                data = StringUtils.isEmpty(data) ? ctx.transform($dft) : data;
                if (StringUtils.isNotEmpty(data)){
                    httpContext.setResponseHeader(header,data);
                }
            }
        }
    }
}